bleed hole

noun

A small, purposeful opening found in objects (e.g. glass panes, metal plates, airplane windows, etc.) to equalise air pressure and prevent condensation and fogging.

Similar
breather hole
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Meanings

nounbleed hole (plural bleed holes)

plural bleed holes · alternative bleedhole

  1. engineeringA small, purposeful opening found in objects (e.g. glass panes, metal plates, airplane windows, etc.) to equalise air pressure and prevent condensation and fogging.

    Synonyms: breather hole

Synonyms & antonyms

nounA small, purposeful opening found in objects (e.g. glass panes, metal plates, airplane windows, etc.) to equalise air pressure and prevent condensation and fogging.

Similar
breather hole

Origin

From bleed + hole.

Full word history & related roots →
Cite this entry
APA

bleed hole. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/bleed%20hole

MLA

“bleed hole.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bleed%20hole. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “bleed hole,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/bleed%20hole.

Source: bleed hole on Wiktionary, CC BY-SA 4.0.